日期:2014-05-16  浏览次数:20560 次

JSP 字符串比较实例的实现
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="html/css">
<!--
.STYLE1{
    font-size:large;
}
-->
</style>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
String str1=request.getParameter("str1");
if(str1==null)
str1="";
String str2=request.getParameter("str2");
if(str2==null)
str2="";
%>

<form name="form1" action="compare.jsp" method="post">
<div class="STYLE1">字符串比较</div>
字符串1<input type="text" name="str1" value="<%=str1 %>"/>
<br  />
字符串2<input type="text" name="str2" value="<%=str2 %>"/>
<hr />
<input name="ok" type="submit" value="比较">
</form>
<p>
<%
//compareTo是String类的字符串比较函数,不忽略英文字符的大小写
//compareToIngoreCase也是String类的字符串比较函数,忽略大小写
if(str1.compareTo(str2)>0)
out.print("字符串1>字符串2");
else if(str1.compareTo(str2)<0)
out.print("字符串1<字符串2");
else if(str1.compareTo(str2)==0&&!str1.equals(""))
out.println("字符串1==字符串2");

%>
</p>

</body>
</html>